High yield of rice needs suitable conditions. Not a kind of rice can be planted all over the country according to the climate, especially high yield, which is the result of the right time, the right place and the right people. Even the best hybrid rice can't get high yield on poor land.
In addition, it is worth noting that although the yield of hybrid rice in Yuan Longping is high, it also has the disadvantage of poor taste. For some rapidly developing provinces, this kind of rice is difficult to sell. Farmers grow rice not only for yield, but for the best income, so the choice of rice varieties will be different.
There are two kinds of rice: conventional rice and hybrid rice. The former accounts for 70% of China, while the latter accounts for 30% of China. It can be seen that the market of hybrid rice is not as big as reported. Conventional rice has the function of chemical fertilizer and pesticide, and its yield is also very large, reaching 600 kilograms per mu. Farmers can also keep their own seeds. Rice tastes good, its price is high, and it tends to expand. However, hybrid rice is only planted in the south of China, where the land is poor, and the yield per mu is 20% higher than that of conventional rice. However, the disadvantage of hybrid rice is that farmers can't keep seeds, and they have to spend money to buy them every year, and the taste is almost poor, and the price is a few hairs lower. No matter how many kilograms of hybrid super rice is claimed, it is over-advertised to yield seven or eight hundred kilograms per mu in the hands of farmers. Yuan Longping produces hybrid rice seeds, which are not as popular as advertised, and farmers know it.
Yuan Longping's contribution lies in the research on hybrid rice technology in 1970s, which is a tangible achievement, rather than the so-called solution to the food problem in China and the whole world. China imports a lot of grain every year. Exaggeration is also an ignorance. The long-term solution is to develop conventional rice in China, and hybrid rice can only be used as a supplement.
Since 1980s, China hybrid rice has made great contributions to the world. Mainly in the following aspects:
1. The promotion area of hybrid rice abroad has exceeded 3 million hectares so far.
In the early 1990s, FAO listed the promotion of hybrid rice as the first strategic measure to solve the food shortage problem in developing countries. With the support of FAO, Asian Development Bank and other units, many countries in Southeast Asia have begun to promote hybrid rice, which has achieved remarkable benefits in increasing production.
Up to now, more than 40 countries in Asia, Africa and America have introduced, studied and popularized hybrid rice, and the overseas promotion area of hybrid rice has reached more than 3 million hectares, including about 6.5438+0.4 million hectares in India, 650,000 hectares in Vietnam and 350,000 hectares in the Philippines.
Two. Training more than 2000 foreign experts.
China's hybrid rice has been recognized by international organizations, which is a feasible technology and can greatly increase rice yield. After years of efforts, hybrid rice technology has gained a high reputation in dozens of countries in Asia, Africa and America, laying a good foundation for the further popularization of hybrid rice. China mainly provides technical support and guidance for hybrid rice, and cooperates with local scientists to cultivate hybrid rice varieties suitable for local ecological environment. So far, the China government has trained more than 2,000 hybrid rice experts for more than 50 countries. Agricultural technology demonstration centers with hybrid rice cultivation as the content have been built in the Philippines, Liberia and other countries; Through the "South-South Cooperation" project, more than 700 agricultural experts and technicians have been sent to seven countries including Mauritania and Ghana.
Third, solve the problem of feeding millions of people every year.
In 2009, the number of hungry people in the world exceeded 654.38+0 billion, and the food problem needs to be solved urgently. Rice is an important food crop, which is widely planted in 120 countries and regions. More than half of the world's population lives on rice, but the average yield of rice per mu in the world is only about 200 kilograms. China successfully cultivated hybrid rice and popularized it, which created conditions for some countries to achieve food self-sufficiency. The hybrid rice technology invented by Academician Yuan Longping has made outstanding contributions to world food security, and the increased grain has solved the problem of eating tens of millions of people in the world every year.
"If the planting area of hybrid rice accounts for half of the total planting area of rice, it can increase the world's total rice output by 65.438+0.5 billion tons every year and feed 400 million people." Yuan Longping, the "father of hybrid rice", said, "I have two wishes: one is that super hybrid rice can achieve the goal of 900 kilograms per mu in 20 10, and the other is to spread hybrid rice to the whole world150,000 hectares to feed 10 billion world population."
To sum up, the hybrid rice studied in Yuan Longping has been highly praised by international counterparts.